Garbage-destructor.



G. W. PARKER. GARBAGE DBSTRUGTGA,

AFPLGA'llON FLED DBC. 31, NOG.

im). W Agg@ PATENTED MAY 12, 1908.

GL W. PARKER.

GARBAGE DESTRUCTOR.

MPLIGATION FILED DEG.31,1906.

combustion" takes place and GARBAGE-nnsrnnoror..

- Specification of Letters Patent.

Fatented May 12, 1908.

Application filed December 31, 1906. ,Serial No. 350,214.

To all whom it may concern:

Be it known that l', Geenen W. PARKER, a citizen of the United States, residing at New York city, in the county ot New York and State of New York, .have invented certain iew and useful Improvements in Garbage- Destructors, of which the following is a speci- -icationv, reference being had to the accornpan vi ng drawings.

My invention relates to improvements in garbage destructors, and an object 'of my invention is to provide a destructor simple in construction and highly etl'icient in operation.

In carrying out'my invention, I provide two drying hearths, a primary drying hearth and a secondary drying hearth. Vlfhen preheated air meets inflammable gases arisingfrom the bed of burning garbage,iin energetic the burning gases pass into a secondary combustion rchamber under the primary dryinghearth.

The products of combustion are then led around the outside of the passages through which the air passes and theyv yield up a large part of their heat to the walls of the airpassages, which heat is afterwards absorbed bythe air, therein.' preheating the latter. and making possible the high temperature necessar)v to deodor-ize the gases arising from the drying garbage. T he garbage is preferably divided into two piles or heaps. the wet garbage passing Yfirst to the primary drying hearth and thence to the seeondar drying hearth, where it is charred or partially carhonized by the heat from the bed of burning fuel in the lire-pit. The dry garbage or refuse falls upon the secondar)v drying hearth directiv from its receiving tank.

ln the drawings illustrating the principle of my invention and the best mode now known to ine ofapplying that principle, Figure l is a sectional viow'on. the line `A of Fig. 2, looking in the direction of the arrow; Fig. 2 is a sectional View on the line B-B of Fig. 1 but showing the receiving tanks in position;' 3 is a sectional view on the line (f (l ol Fig., 1 Figi 4 is a sectional View on the line l)-l) offFg. 1; and Figs. 5, (i, 7 and S are horizontal sectional viewson the lines TCW-lll, F--FpL-G and lll-ll, respectively, ol' Fig. l looking down. n

A very thick hed ot' fuel (L is heaped upon the grate in the Vlire-pit so that a large proportion of the ras which passes from the top of the bed of uel a will he carbon monoXid. lThis gas meets the air which has been preheated and complete combustion ensues. The air enters at c (Fig. 5), ilows through the passages d and e, thence down through the uefinto the passage g (Fig. 6). From the passage g the air Hows around into the pase sage 7a and lthen through the "down fiue i, and the passages y' out into the flue 7c 'where it meets the gas arising from the hed of fuelo (see Figs..v 7 and 2).

As soon as the air meets the gas, combustion ensues and the burnin@ gases How through the opening m into the secondary combustion chamber n underthe primary drying hearth o, meeting in. their passage vthe baffle wail. p (Figs. 2 and 7). Fromthe sec fondary combustion chamber n the products of combustion pass through the opening q into the two-part chamber r provided with the partition or baliie wall s.I From the two-- part chamber lrbthe products of combustion ass down through the opening 20 into the geiler or under the boiler t, depending upon the style or ty )e of boiler used. Any suitable type of boiler may beusedand since the boiler in and of itself forms no part of this invention, itis shown conventionally at t and will not be further described herein. To provide for the einer ency when the destructor maynonbeavailal u am l grate e a rc provided whereby steam may be raised in the boiler independentl of the destructor itself. (See Figs. 1, 3 an 4).-

From the. boiler the roducts of combustion pass through the ue or u *tai/:e w into the passage a' and thence arcuri the free end of the wall y into the passa e z (see 3, e and 8). By reference to igs. 3 5 and 6, it will be seen that 'the 11p-take .w is separated from the passages d, e, g and 7i by the wall 2 and the products of combustion, or as they may now he termed, the waste gases, yield up some of their remaining heat in heating the walls of the assagerI d, e, g and z.. This heat is afterwar enters through the opening c and 'lows through the assages d, e, g and it, as above described. rom the passage z (see Figs. 4 and 8) the waste gases pass through the down-take 3 into the horizontal passages under the secondary drying hearth 5' out eior use, a suitable tiraban;

s absorbed by the air whichy heat to the Walls of these airassages.

into the open ai1"(u nder forced draft should combustion then HOW through the opening as to reguire more than natural draft).

It Wil be notedthat the two-part chamber 'r is directly beneath the air-passages g and h -(Figs. 1, 3 ynd 4); and the roducts of com-4 biistiomwhich ,arev still hig ly heated after passing through the secondary, combustion chamber a' beneath the primary drying hearth o, yield up somepf their remairriliplg e system above described is, t erefore, a recuperative one, .and a high temperature is made possiblef-'so hi h, in fact, as to `deodorize the gases Whic arise from the arbage contained in the bed of fuel a, an on .the drying hearths o and 5. o

. TheA tanks', 7 are made of structural steel work and above them are the unloading lat-` forms 8.. VPreferably the garbage -be sorted into Wet garbage and dry `garbage (or refuse), the Wet garbage going into the tank 6 and through the opening controlled by a valveor slidable door 10 into the chamber 11, Where it is dried upon the primary dryin hearth o'. After the garbage has been su -iiciently dried 'upon the primary dryin hearth o, the stoking door 12 is opened, an

a workman standing uponthe stage 13 Will ush or Stoke the 'garbage from the primary rying hearth 0 down u on the secondary drying hearth 5.- Here te' garbage will be opening normally closed by the door 17 t rows the'charred garbage from the second.

lfurther* heated and even carbonized by the heat reflectedffrom the bed of'fuel c. The dry refuse passes from the tank 7 through the openingllll controlled by a valve 10 and falls upon t e secondary drying hearth 5.- Accessto 4the o enings 9 and 14 is obtained by opening the oors 15. A Workman standing upon the stage 16 and Working through the ary drying hearth 5 u on the bed of luel a.

The operation offt 1e destructor will bev readily understood from the foregoing. 'he inflammable` gases rising from the fuel bed a in the fire-pit b pass through the flue 7c into the secondary combustion chamber n. The external air flows through the opening c and thence through the recuperative air assares d, e, g, h from the Walls of Whic it taies up t e heat imparted to them by the passage of the hot gases through the adjacent chambers and flues. The highly-heated air and `the inflammable gases meet at the opening m and an energetic combustion ensues with the evolution of much heat some of which is imparted to the primary drying hearth 0, resulting in the drying of the Wet garbage vlying thereon. The products of combustion flow through the two-part chamber r and give vup some of their heat to the bottomwall of the passages g, z., whi ch forms the top of the chamber r. The. products of the temperature of the waste gases bel so low 2O and heat the water in the boiler t, the

gases pass from the boiler into the up-take wand the latter being-separated by the Wall 2 `from the passages, d, e, g, h, heat given up in warming the Wall 2 Will'later be taken up by the incoming air. l through the assagesand e, and the bottom Wall. of tIhe latter forms the topl Wall of the passages d, e, ,whereby a furtherre'cuperative effect is obtained. The 'Waste gases The gases then ow' leave the destructor through the down-take 3 and passage 4.

By charring the refuse on the secondary drying hearth 5, it is put in much better form to serve' as a fuel and the high temperature obtained makes it possibleto consume all the obnoxious gases arising from the drying'and burning garbage.

I claim:

1. The combination of a lire-pit in which the dried garbage is burnedg'a secondary drying hearth arranged above and at one side of said fire-pit; a receiving tank for the dry garbage `mountcdabove said secondary drying hearth; a secondary combustion chamber into which flow the combustible' gases formed in said fire-pit; air-passages which lead the air from outside to said secondary combustion chamber, the air mixing with andv supporting the combustion of said gases in said secondary combustion chamber; av primary 'drying hearth for the Wet hearth; a receiving tank for the Wet garbage mounted above said primary drying hearth;

yand ilues leading from said secondary combustion chamber above and beloW said air passages for preheating the air Which enters said combustion chamber. 'r

2. The combination of a lire-pit in` which.

the dried garbage is burned; a secondary drfing hearth arrangedy above and at one si e of said .fire-pit, the material upon said -drying hearth being exposed to the heat from said fir'epit; a secondary combusti-cn cha1nber into which flow' the combustlble gases formed ,in-said fire-pit5 a primary drying hearth arranged above said secondary co1nbustion chamber, airlpassa'ges" which lead the air from outside to said secondary combustion chamber, the air mixing with and sup orlting the combustion. of said gases in sai secondary combustion chamber, Whereby the material is dried on said primary drying hearth, the latter being arranged above said secondary drying hearth to permit the y garbage to be fed vreadily thereto from said my hand this 27th day of December, A,

primary drying hearth; and iues leading 1906, in the presence of two Witnesses* from said secondary combustion chamber n m y i u. W. Rnd-KEI above and below said air-paseages for preheating the air which enters said combustionu Witnesses: chamber. SARAH E. HOLLENBEGK, In testimony whereof I have hereunto set CHARLES W. STEVENS 

